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Bulldog B4 English Ale yeast is perfect for Porters, Bitters, Mild and Brown Ales. A classic ale yeast for great English style beers.
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Beer yeast comes in many different strains and they are often classified after terms such as "flockulation", "attenuation" and what temperature it is designed to work at. Flockulation: How well and compact the yeast cells form a bottom sediment once the fermentation is over. Belgian strains have low flockulation which will result in a cloudy beer. English strains have often high flockulation so you can produce a clear beer without filtering or clearing agents. Attenuation: To put it simply, it is how much sugar (or fementable matter) the yeast can consume before it goes dormant. A beer made from yeast with high attenuation will be drier than one fermented with a low attending yeast strain.